Ausubel, D. P. (1954). Theory and problems of adolescent development. Grune & Stratton.
Lua i Stíl Chicago (17ú heag.)Ausubel, David Paul. Theory and Problems of Adolescent Development. New York: Grune & Stratton, 1954.
Lua MLA (9ú heag.)Ausubel, David Paul. Theory and Problems of Adolescent Development. Grune & Stratton, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.